21205998

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107101}}^1$

素因数の和:107120

約数の個数: 24

約数和(自身を含む): 50123736

約数和(自身を除く): 28917738

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 107101, 214202, 321303, 642606, 963909, 1178111, 1927818, 2356222, 3534333, 7068666, 10602999, 21205998]

約数ペア:

[(1, 21205998), (2, 10602999), (3, 7068666), (6, 3534333), (9, 2356222), (11, 1927818), (18, 1178111), (22, 963909), (33, 642606), (66, 321303), (99, 214202), (198, 107101)]